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Computer Science · May / June 2025 · Paper 11 · Question 9

0478

As printed in the paper

The question as text

Each employee in a finance company has a computer and an electronic account.

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  • 9(a)[3]

    Any three from:

    Examples:

    To make sure memory is used efficiently
    Allocates/deallocates memory to processes
    Checks that the processes being actioned have enough memory available
    Moves data to and from memory/between memory and storage
    Makes sure that two processes do not try and access the same memory location
    Creates a memory partition
    Creates virtual memory
    Transmits pages between RAM and VM

  • 9(b)(i)[2]

    Any two from:

    Try to find out/guess a password
    … by repeatedly entering different combinations/passwords
    Could use software to do it automatically

  • 9(b)(ii)[3]

    Any three from:

    Strong passwords // passwords that are long and have a combination of letters, numbers and symbols
    Two-step verification // two-factor authentication
    Biometric password
    Limiting the number of login attempts

  • 9(c)(i)[1]

    A currency that only exists electronically/virtually

  • 9(c)(ii)[1]

    Blockchain

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